*{
    margin: 0;
    padding: 0;
}
.nav{
    width: 100%;
    height: 160px;
    background-color:black;
    color: white;
    font-size: 10px;
    display: flex;
}
.nav::before{
    content: '';
    display: table;
}
.nav div img{
    margin-top: 35px;
    margin-left: 160px;
}
.nav li{
    list-style: none;
    float: left;
    width: 90px;
    text-align: center;
    margin-right: 80px;
}
.nav ul{
    margin-left: 140px;
    margin-top: 35px;
}
.nav li span{
    font-weight: bold;
    font-size: 20px;
}
.nav li span:hover{
    color: #497e04;
}
.nav ul li img{
    margin-top: 10px;
}
.outer{
    width: 100%;
    height: 423px;
    /* border: 1px solid red; */
    position: relative;
    overflow: hidden;
    margin: auto;
}
.outer div{
    width: 4700px;
    height: 423px;
    position: absolute;
    display: flex;
    animation-name: lunbo;
    animation-duration: 60s;
    animation-iteration-count: infinite;
    animation-timing-function:linear;
}

@keyframes lunbo {
    from{left: 0px;}
    to{left: -3760px;}
}
.content{
    display: flex;
}
.nr{
    width: 180px;
    height: 200px;
    background-image:url(../images/dropcap1.gif);
    background-repeat: no-repeat;
    margin-left: 150px;
    position: relative;
}
.nr span:nth-child(1){
    font-size: 40px;
    margin-left: 15px;
    color: white;
}
.nr span:nth-child(2){
    font-size: 20px;
    font-weight: bold;
    position: absolute;
    left: 60px;
}
.nr a{
    color: #497e04;
}
.title{
    display: flex;
    margin-left: 150px;
}
.title h2:nth-child(2){
    margin-left: 700px;
}
.page{
    width: 670px;
    height: 220px;
    display: flex;
    margin-top: 20px;
    margin-left: 150px;
}
.content2{
    display: flex;
}
.page2{
    width: 220px;
    height: 230px;
    margin-left: 300px;
}
.page2 div:nth-child(1){
    width: 220px;
    height: 140px;
    background-color: #f5f5f5;
}
.page2 div:nth-child(2){
    display: flex;
    height: 40px;
    overflow: hidden;
}
.page2 div:nth-child(2) img{
    width: 32px;
    height: 72px;
    margin-left: 5px;
}
.page2 span{
    font-weight: bold;
}
.footer{
    width: 100%;
    height: 250px;
    background-color:black;
    color: white;
    display: flex;
}
.footer div{
    margin-left: 150px;
    margin-top: 50px;
}
.footer::before{
    content: '';
    display: table;
}
.footer li{
    list-style: none;
    height: 30px;
    width: 200px;
    line-height: 30px;
    border-top:1px solid white;
}
.footer ul{
    margin-top: 20px;
}
.sub{
    background-color: white;
    color: black;
    position: absolute;
    left: -55px;
    top: 20px;
}
.footer div:nth-child(4){
    position: relative;
}
.over{
    width: 100%;
    height: 120px;background-color: black;
    color: white;
    text-align: center;
}
.over::before{
    content: '';
    display: table;
}
.over p{
    margin-top: 60px;
}
.over span{
    text-decoration: underline;
}